| Index | Delmont | South Dakota | National |
| Cost of living | 82 | 92 | 100 |
| Groceries | 98 | 99 | 100 |
| Health care | 95 | 97 | 100 |
| Housing | 47 | 77 | 100 |
| Transportation | 93 | 96 | 100 |
| Utilities | 104 | 103 | 100 |
| Lifestyle & Entertainment | 93 | 94 | 100 |
| Household Items | 95 | 96 | 100 |
| Education & Childcare | 98 | 98 | 100 |

| Cost of living index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index | |
| Lifestyle index | |
| Household index | |
| Educare index |
| Median Income | Per Year | Per Month | Max Budget (28% DTI) | Max Budget (36% DTI) |
| Owners | $71,035 | $5,920 | $1,657 | $2,131 |
| Renters | $54,361 | $4,530 | $1,268 | $1,631 |
| State | General Sales Tax | With Max Surtax |
| South Dakota | 4.5% | 6% |
| State | Income Tax (Low) | Income Tax (High) |
| South Dakota | 0% | 0% |
| City | Population | Cost of Living Index | National Avg. |
| Ravinia, SD | 58 | 76 | 24.0% |
| Tripp, SD | 593 | 76 | 23.7% |
| Armour, SD | 678 | 82 | 17.8% |
| Corsica, SD | 745 | 84 | 15.9% |
| Wagner, SD | 1,618 | 85 | 15.2% |
| Delmont, SD | 205 | 82 | 18.5% |
| City | Population | Cost of Living Index | National Avg. |
| Hollis, AK | 205 | 118 | 17.9% |
| Lockhart, AL | 205 | 86 | 13.9% |
| Black Oak, AR | 205 | 76 | 23.5% |
| Jacksonport, AR | 205 | 72 | 28.1% |
| Pleasant Plains, AR | 205 | 81 | 18.7% |
| Delmont, SD | 205 | 82 | 18.5% |